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D0 and D0bar signal from 3 rd Production

D0 and D0bar signal from 3 rd Production. Jaiby Joseph 03/19/2011. D0 Signal -200 < slength < 400 , TrkDca <200, |D0dcaPV|<200 , pK >0.7,pPi>0.7,chargeK<0,chargePi>0, pD0>0.3. # of Events: ~ 7.5 M. * Cut change from 1 st Prod. S/B ~5.128.

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D0 and D0bar signal from 3 rd Production

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  1. D0 and D0bar signal from 3rd Production Jaiby Joseph 03/19/2011

  2. D0 Signal-200 < slength < 400, TrkDca<200,|D0dcaPV|<200, pK>0.7,pPi>0.7,chargeK<0,chargePi>0, pD0>0.3 # of Events: ~ 7.5 M * Cut change from 1st Prod S/B ~5.128

  3. D0bar Signal-200 < slength < 400, TrkDca<200,|D0dcaPV|<200, pK>0.7,pPi>0.7,chargeK>0,chargePi<0, pD0>0.3 S/B ~ 5.714

  4. D0+D0bar S/B ~ 7.056 S/√S+B ~ 9.639

  5. Pseudorapidity Kaon θ = ASin(pT/p) Pion θ = ASin(pT/p) Kaon -log(tan(θ/2) Pion -log(tan(θ/2)

  6. D0 Signal with cut on eta-200 < slength < 400, TrkDca<200,|D0dcaPV|<200, pK>0.7,pPi>0.7,chargeK<0,chargePi>0, pD0>0.3, |EtaK,pi|<1.0 S/B ~ 4.02

  7. Monte Carlo – power law D0

  8. Monte Carlo – Track momenta Ppion Vs PtD0 Pkaon Vs PtD0

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